Home / 38,339.80-52,906.92-21,573.88

Finding the Fourth Proportional to 38,339.80, 52,906.92 and 21,573.88

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Solution

The fourth proportional to 38,339.80, 52,906.92 and 21,573.88 is: 29,770.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,339.80 : 52,906.92 = 21,573.88 : x
  2. Step 2: Convert to fraction form
    38,339.80/52,906.92 = 21,573.88/x
  3. Step 3: Cross multiply
    38,339.80x = 52,906.92 × 21,573.88
  4. Step 4: Simplify right side
    38,339.80x = 1,141,407,543.25
  5. Step 5: Solve for x
    x = 1,141,407,543.25/38,339.80
  6. Step 6: Final answer
    x = 29,770.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.